Not only ________ interested in football but ________ beginning to show an interest in it.

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A．the teacher himself is; all his students are

B．the teacher himself is; are all his students

C．is the teacher himself; are all his students

D．is the teacher himself; all his students are

I often have conversation with John over ________ phone, but keep in touch with Jack by writing ________ letters.

If we are full ________ confidence and united ________ one, we can certainly succeed.

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Cellphones make it possible for people to stay ________ very easily.

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In winter we usually keep the window and the door ________ so that cold air won't come in.

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We are asked to do ________ we can ________ the earth.

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We are feeling completely tired out; we have been ________ ever since six o'clock this morning.

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If you have a cellphone, you can call ________ help in case ________ an emergency.

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It's a pleasant day for a picnic. It's certain that we'll ________.

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I shall stay in the hotel all day ________ there is news of the missing child.

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